Ever heard of cloud computing and wondered what is all about?

If you can copy and paste, then it’s very easy. In this article, I’ll show you how. For simplicity, I will combine only 2 pictures.

Suppose you want to update a field in a database table based on row number, and you want to start with 20000.

COALESCE is a very useful function, if you want to build a string of data from a field in a database table.

About 1 or 2 years ago, I read an article on the internet about a programmer who let his clients pay him as much as they like (I forgot who he was and what the link was, unfortunately). He claimed it worked. Some people paid too little, some too much. But most of the time, his clients pay just about right. So, in the end he earns enough. I’ve been wondering since, would it work for me, if I implemented the same?